I suspect it was in extremely good shape as NOS (new old stock) Parts for those guns are rarer than the guns. I strongly suspect I would have a very difficult time getting any parts should one break.
Are you guys discussing this Webley or some hypothetical Bubba job?
CN1 means Canadian Navy. Dingus had one with that one it, as did 1897 as I recall. Premium item for us Canucks.
They make bluing solution every day...